Engineering Characteristics and Activity of Iron Tailings in Shanxi Province
Iron tailings are the residual solid waste after the optimizing selection of mineral processing technology for iron ore.Making full use of iron tailings as pavement material can effectively reduce environmental pollution.This paper studied the physical composition,chemical composition,crushing value,and acid and alkali resistance of iron tailings to systematically analyze the alkalinity coefficient M0 and quality coefficient K of different iron tailings.After carrying out the iteration of crushing value and K-mean clustering of iron tailings in various places by SPSS,the acid and alkali resistance analysis was performed,and the activity law of iron tailings was analyzed by using the mortar strength method and the lime adsorption method.The results showed that iron tailings with high activity such as Sichuan Panzhihua iron tailings and Shanxi red iron tailings were suitable for use as cement activity mixing materials,while iron tailings with low activity such as Shanxi blue iron tailings and Maanshan iron tailings were appropriate to be used in concrete structures or pavement structures.
iron tailingstechnical indexactivityacid and alkali resistance
万方数据
维普
